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Green circuit board with black memory chips and gold edge connector

Computer Memory Solutions

Computer Memory Solutions 2GB DDR2 667MHz 2Rx8 240-pin memory upgrade

SKU CH-7Z0M-FCSWF

2GB DDR2 667MHz unbuffered DIMM with CL5 timing and 1.8V operation for compatible systems

  • Capacity2GB
  • SpeedDDR2 667 (PC2 5300)
  • CAS Latency5
  • Timing5-5-5
  • Voltage1.8V
  • ECCNo
  • 2GB capacity expands system memory for everyday tasks
  • DDR2 667MHz speed matches PC2-5300 specification for compatible platforms
  • CL5 5-5-5 timing delivers standard latency at 1.8V operation
  • 2Rx8 unbuffered 240-pin DIMM fits desktop memory slots
  • Major-brand chipset with lifetime warranty against manufacturing defects

System-specific DDR2 upgrade

This 2 GB DDR2 module runs at 667 MHz with CL5 5-5-5 timing and 1.8 V voltage. It uses a 240-pin unbuffered DIMM form factor and a 2Rx8 rank configuration built on major-brand chipsets. The part number is CM256645300DIMMDR.

Low-voltage operation and simple thermals

At 1.8 V the module draws minimal power and produces little heat in normal desktop use. No active cooling is required and the unbuffered design keeps electrical load light on the memory controller. Operation stays quiet because there are no moving parts.

Replaces slower or smaller DDR2 DIMMs

This kit suits owners of DDR2 platforms that need a single 2 GB stick to fill an empty slot or replace a failed module. The jump is worth it when the system currently runs less than 2 GB total or uses slower DDR2 speeds. Buyers who need ECC, registered buffering or capacities above 2 GB per slot cannot use this module.

Points forts

  • 2GB capacity expands system memory for everyday tasks
  • DDR2 667MHz speed matches PC2-5300 specification for compatible platforms
  • CL5 5-5-5 timing delivers standard latency at 1.8V operation
  • 2Rx8 unbuffered 240-pin DIMM fits desktop memory slots
  • Major-brand chipset with lifetime warranty against manufacturing defects

Caractéristiques

Part NumberCM256645300DIMMDR
Capacity2GB
SpeedDDR2 667 (PC2 5300)
CAS Latency5
Timing5-5-5
Voltage1.8V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset

Questions sur cet article

How do I install the 240-pin DDR2 DIMM and what step is often missed?

Align the notch on the module with the slot key, press firmly until both side clips click shut, then verify the system sees the full 2GB at 667MHz in BIOS.

What maintenance or replacement will this 2GB DDR2 module need over time?

No routine maintenance is required; if errors appear, the limited lifetime exchange from Computer Memory Solutions covers manufacturing defects.

What limit appears first when this CL5 1.8V DDR2 kit runs under sustained load?

The 667MHz speed ceiling and CL5 latency bound throughput before voltage or thermal limits become factors.

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